19501818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2357}}^1$

素因数の和:2566

約数の個数: 32

約数和(自身を含む): 44820864

約数和(自身を除く): 25319046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 197, 394, 591, 1182, 1379, 2357, 2758, 4137, 4714, 7071, 8274, 14142, 16499, 32998, 49497, 98994, 464329, 928658, 1392987, 2785974, 3250303, 6500606, 9750909, 19501818]

約数ペア:

[(1, 19501818), (2, 9750909), (3, 6500606), (6, 3250303), (7, 2785974), (14, 1392987), (21, 928658), (42, 464329), (197, 98994), (394, 49497), (591, 32998), (1182, 16499), (1379, 14142), (2357, 8274), (2758, 7071), (4137, 4714)]